The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 24, 1982
Filed:
Aug. 21, 1980
Applicant:
Inventors:
Jacques Lanneau, Breuil-le-Vert, FR;
Adrien Delcoigne, Chantilly, FR;
Assignee:
Isover Saint-Gobain, Neuilly, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B / ; B28B / ; B29C / ; B29D / ;
U.S. Cl.
CPC ...
425115 ; 156500 ; 366150 ; 425122 ; 425224 ; 425230 ; 425231 ; 425373 ; 425447 ;
Abstract
The present invention concerns the manufacture of objects made of plaster, essentially in the form of boards and, specifically, the pouring onto a moving conveyor of a mixture of plaster and water into a reservoir with an open bottom installed on top of said conveyor. It proposes to integrate the upstream rear wall of the reservoir within a surface of greater dimensions than the rear wall, and displacing said continuously, with the purpose of presenting a different portion of the surface as the upstream rear wall. The invention allows continuous cleaning of the upstream rear wall without disturbing the pouring process.